diff options
Diffstat (limited to 'drivers/ps3/vuart.h')
| -rw-r--r-- | drivers/ps3/vuart.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/drivers/ps3/vuart.h b/drivers/ps3/vuart.h new file mode 100644 index 000000000000..28fd89f0c8aa --- /dev/null +++ b/drivers/ps3/vuart.h | |||
| @@ -0,0 +1,94 @@ | |||
| 1 | /* | ||
| 2 | * PS3 virtual uart | ||
| 3 | * | ||
| 4 | * Copyright (C) 2006 Sony Computer Entertainment Inc. | ||
| 5 | * Copyright 2006 Sony Corp. | ||
| 6 | * | ||
| 7 | * This program is free software; you can redistribute it and/or modify | ||
| 8 | * it under the terms of the GNU General Public License as published by | ||
| 9 | * the Free Software Foundation; version 2 of the License. | ||
| 10 | * | ||
| 11 | * This program is distributed in the hope that it will be useful, | ||
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 14 | * GNU General Public License for more details. | ||
| 15 | * | ||
| 16 | * You should have received a copy of the GNU General Public License | ||
| 17 | * along with this program; if not, write to the Free Software | ||
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| 19 | */ | ||
| 20 | |||
| 21 | #if !defined(_PS3_VUART_H) | ||
| 22 | #define _PS3_VUART_H | ||
| 23 | |||
| 24 | struct ps3_vuart_stats { | ||
| 25 | unsigned long bytes_written; | ||
| 26 | unsigned long bytes_read; | ||
| 27 | unsigned long tx_interrupts; | ||
| 28 | unsigned long rx_interrupts; | ||
| 29 | unsigned long disconnect_interrupts; | ||
| 30 | }; | ||
| 31 | |||
| 32 | /** | ||
| 33 | * struct ps3_vuart_port_device - a device on a vuart port | ||
| 34 | */ | ||
| 35 | |||
| 36 | struct ps3_vuart_port_device { | ||
| 37 | enum ps3_match_id match_id; | ||
| 38 | struct device core; | ||
| 39 | |||
| 40 | /* private driver variables */ | ||
| 41 | unsigned int port_number; | ||
| 42 | unsigned long interrupt_mask; | ||
| 43 | struct { | ||
| 44 | spinlock_t lock; | ||
| 45 | struct list_head head; | ||
| 46 | } tx_list; | ||
| 47 | struct { | ||
| 48 | unsigned long bytes_held; | ||
| 49 | spinlock_t lock; | ||
| 50 | struct list_head head; | ||
| 51 | } rx_list; | ||
| 52 | struct ps3_vuart_stats stats; | ||
| 53 | }; | ||
| 54 | |||
| 55 | /** | ||
| 56 | * struct ps3_vuart_port_driver - a driver for a device on a vuart port | ||
| 57 | */ | ||
| 58 | |||
| 59 | struct ps3_vuart_port_driver { | ||
| 60 | enum ps3_match_id match_id; | ||
| 61 | struct device_driver core; | ||
| 62 | int (*probe)(struct ps3_vuart_port_device *); | ||
| 63 | int (*remove)(struct ps3_vuart_port_device *); | ||
| 64 | int (*tx_event)(struct ps3_vuart_port_device *dev); | ||
| 65 | int (*rx_event)(struct ps3_vuart_port_device *dev); | ||
| 66 | int (*disconnect_event)(struct ps3_vuart_port_device *dev); | ||
| 67 | /* int (*suspend)(struct ps3_vuart_port_device *, pm_message_t); */ | ||
| 68 | /* int (*resume)(struct ps3_vuart_port_device *); */ | ||
| 69 | }; | ||
| 70 | |||
| 71 | int ps3_vuart_port_device_register(struct ps3_vuart_port_device *dev); | ||
| 72 | int ps3_vuart_port_driver_register(struct ps3_vuart_port_driver *drv); | ||
| 73 | void ps3_vuart_port_driver_unregister(struct ps3_vuart_port_driver *drv); | ||
| 74 | int ps3_vuart_write(struct ps3_vuart_port_device *dev, | ||
| 75 | const void* buf, unsigned int bytes); | ||
| 76 | int ps3_vuart_read(struct ps3_vuart_port_device *dev, void* buf, | ||
| 77 | unsigned int bytes); | ||
| 78 | static inline struct ps3_vuart_port_driver *to_ps3_vuart_port_driver( | ||
| 79 | struct device_driver *_drv) | ||
| 80 | { | ||
| 81 | return container_of(_drv, struct ps3_vuart_port_driver, core); | ||
| 82 | } | ||
| 83 | static inline struct ps3_vuart_port_device *to_ps3_vuart_port_device( | ||
| 84 | struct device *_dev) | ||
| 85 | { | ||
| 86 | return container_of(_dev, struct ps3_vuart_port_device, core); | ||
| 87 | } | ||
| 88 | |||
| 89 | int ps3_vuart_write(struct ps3_vuart_port_device *dev, const void* buf, | ||
| 90 | unsigned int bytes); | ||
| 91 | int ps3_vuart_read(struct ps3_vuart_port_device *dev, void* buf, | ||
| 92 | unsigned int bytes); | ||
| 93 | |||
| 94 | #endif | ||
